<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>Document</title>
</head>
<body>
	<button style="background-color: #66a3ff;display: none;" class="button1">存数据</button>
	<button style="background-color: #66a3ff" class="button2">取数据</button>


<script type="text/javascript">

</script>
</body>
</html>